1 Peter 3:18-22
Now as we enter into this we must affirm that it was God who saved Noah and His family, but He did so through water as Peter says. As such it would be accurate for Noah to say He was saved by God or by the flood as long as it was understood that it was God who saved Him by the flood.
The same thing is true of Baptism. If we say we are saved by Baptism we never mean that we are saved by baptism apart from God’s saving work. And yet we can say with Peter that we are saved by Baptism through the resurrection of Jesus Christ.
Note in both Noah’s salvation and in our salvation it is God who is doing all the saving. In both the OT type and the NT anti-type (fulfillment) the emphasis is on God who is doing the work of saving His people.
Now the reason I spend time to point that out is to articulate again the Reformed and Biblical understanding that Baptism is not about our pledges to God. Baptism, as we see in this passage, is about God’s work of delivering His people.
Most of your Christian friends will not agree with this. Most of your Christian friends will insist that Baptism is about your making a commitment to Christ. That is a unworthy view of Baptism. Baptism is instead about what God is doing, promising and has done and not about what the Baptized person is doing or promising.
Read the entire post by Pastor Bret entitled Peter and Baptism